<template>
  <div class="login">
    <div class="el-Login-left">
      <h4>欢迎使用</h4>
      <h4>在线直播系统</h4>
    </div>
    <div class="el-Login-reight">
          <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
<!--            <div class="login-logo-img02"></div>-->
            <h3 class="title_img">用户登录</h3>
<!--            <p class="title_p">创造并保持安全级作业条件+人员零失误</p>-->
            <el-form-item prop="username">
              <label class="labName">账号：</label>
              <el-input
                v-model="loginForm.username"
                type="text"
                auto-complete="off"
                placeholder="账号"
              >
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <label class="labName">密码：</label>
              <el-input
                v-model="loginForm.password"
                type="password"
                auto-complete="off"
                placeholder="密码"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <label class="labName">验证码：</label>
            <el-form-item prop="code" v-if="captchaEnabled">
              <el-input
                v-model="loginForm.code"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode" class="login-code-img"/>
              </div>
            </el-form-item>
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
            <el-form-item style="width:100%;">
              <el-button
                :loading="loading"
                size="medium"
                type="primary"
                style="width:100%;"
                @click.native.prevent="handleLogin"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <div style="float: right;" v-if="register">
                <router-link class="link-type" :to="'/register'">立即注册</router-link>
              </div>
            </el-form-item>
          </el-form>
    </div>

    <!--  底部  -->

  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: true,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    handleregister:function()
    {
      this.$router.replace('/register')//点击注册按钮，跳转至注册页面
    },
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  flex-wrap: wrap;
}

.el-Login-left {
  width: 100%;
  height: 300px;
  background-color: lightblue;
}

.el-Login-reight {
  width: 100%;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  max-width: 400px; /* 根据需要设置最大宽度 */
  width: 100%;
  padding: 25px;
}

/* 媒体查询 - 在小屏幕下样式调整 */
@media screen and (max-width: 768px) {
  .el-Login-left {
    height: 200px;
    background-color: lightgreen;
  }

  .login-form {
    max-width: 300px;
    padding: 20px;
  }
  .el-Login-left{
    display: none;
  }
  .el-Login-reight{
    width: 100% !important;
    background: url("../assets/images/img.png") no-repeat left top;
    background-size: 100% 100%;
  }
  .labName{
    display: none !important;
  }
  .title_p{
    display: none !important;
  }
  .login-logo-img02{
    display: none;
  }
  .title_img{
    font-size: 22px !important;
    color: #3f4e5e !important;
    margin: 13px 0 10px !important;
    text-align: center !important;
    font-weight: 700 !important;

  }
}

/* 媒体查询 - 在大屏幕下样式调整 */
@media screen and (min-width: 1200px) {
  .el-Login-left {
    height: 400px;
    background-color: lightyellow;
  }

  .login-form {
    max-width: 500px;
    padding: 30px;
  }
}
.title_p{
  font-size: 16px;
  color: #646a73;
  color: #646a73;
  margin-bottom: 30px;
  display: inline-block;
}
.el-Login-left{
  width: 50%;
  height: 100%;
  background: url("../assets/images/img.png") no-repeat left top;
  background-size: 100% 100%;
}
.el-Login-left > h4{
  font-size: 40px;
  margin: 230px auto 0;
  width: 500px;
  color: #fff;
  font-weight: 700;
  display: block;
  text-align: center;
}
.el-Login-reight{
  width: 50%;
  height: 100%;
  display: grid;
  place-items: center;
  height: 100vh;
  align-content: space-around;
}
.labName{
  margin-bottom: 8px;
  line-height: 22px;
  display: block;
  text-align: left;
  font-size: 16px;
  color: #606266;
  padding: 0 12px 0 0;
  box-sizing: border-box;
}
.login-logo-img02{
  width:90px;
  height: 64px;
  background: url("../assets/images/zdfd.png") no-repeat left top;
  background-size: 100% 100%;
}
.title_img{
  font-size: 36px;
  color: #3f4e5e;
  margin: 20px 0 10px;
  text-align: left;
  font-weight: 700;
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  //background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffffcc;
  width: 600px;
  padding: 25px 25px 5px 25px;
  margin: auto;
  .el-input {
    height: 38px;
    margin-bottom: 17px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
